Biotic Factors
What are biotic and abiotic factors?
Biotic: Living things
Abiotic: Non-Living things
What is a open system?
A system involving the exchange of energy and matter
What is Humus
Organic portion of soil made from the decomposing of organisms
What is a population?
Number of a specific species in a specific area at a specific time
What do fossils do?
Provide a history of the past
What is a scavenger?
Something that obtains energy from other animals it did not kill itself
What is it called when a solid turns into a gas?
Sublimation
What is a Basin?
A poor nutrient depression in the ground that collects run off and rain
What is carrying capacity
Maximum numbers able to be sustained in a specific ecosystem for an indefinite period.
What is an embryo?
An embryo is an early developmental stage of a living organism.
Why is dry mass called dry mass?
Because water contains no usable energy
What is a carbon sink?
A system that removes carbon dioxide
What is sustainable development?
Development meeting the needs without jeopardizing future generations needs
Time taken for a specific population to double in size
What is a vestigial structure
A structure that has no one because through adaptation their usage has been lost
What is the difference between interspecific and IntraSpecific competition
Inter: Competition between different species
Intra: Competition between the same species?
What does the ozone layer do?
Filter the sun's radiation.
What is aquatic succession?
The shallow filling of a lake or pond with sediments and organic matter until vegetation takes over
What is a (J-Curve)?
The shape of the graph of the data of a regularly increasing population with no restrictions
What is the theory of microevolution?
An explanation of how many small changes over time created by natural selection results in changes within a species
What is the term referring to the interconnected feeding relationships within an ecosystem, illustrating how energy and nutrients move through producers, consumers, and decomposers?
What is a food web?
What is the formula for photosynthesis?
6co2 + 6 H20 turns into C6H12O6 + 6O2
What is the last stage of primary succession?
Increase in soil depth allows for the growth of trees
What are the 4 factors population is impacted by
Number of Births
Number of Deaths
Immigration
Emigration
What was Jean-Baptiste Lamarck's theory?
Proposed that organisms change during their lives to meet the challenges of their environment